Paper/Archive/CVE-2025-34096

CVE-2025-34096

EFS Software Inc. Easy File Sharing HTTP Server — Easy File Sharing HTTP Server 7.2 Buffer Overflow via POST to /sendemail.ghp

EPSS 2%public exploit CVSS 9.3

critical.is priorityof 100

CVSS 9.3 (CNA)9.3 / 10 × 3027.9 Not in CISA KEV+300.0 EPSS percentile 78.5.785 × 2015.7 Exploit: SSVC poc+1010.0 SSVC exploitation: poc+100.0

Description · from the CVE record

A stack-based buffer overflow vulnerability exists in Easy File Sharing HTTP Server version 7.2. The flaw is triggered when a crafted POST request is sent to the /sendemail.ghp endpoint containing an overly long Email parameter. The application fails to properly validate the length of this field, resulting in a memory corruption condition. An unauthenticated remote attacker can exploit this to execute arbitrary code with the privileges of the server process.

Affected

ProductAffectedFixed inSource

Easy File Sharing HTTP Server7.2–CNA

Scores by source

VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

exploitraw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/windows/http/easyfilesharing_post.rb exploitexploit-db.com/exploits/42186 writeupvulncheck/advisories/easy-file-sharing-http-server-buffer-overflow